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      Cycloaurated triphenylphosphine-sulfide and –selenide

      Kilpin, Kelly Joan; Henderson, William; Nicholson, Brian K.
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      Henderson 2010 Cycloaurated.pdf
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      DOI
       10.1039/b916755b
      Link
       www.rsc.org
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      Kilpin, K. J., Henderson, W. & Nicholson, B. K. (2010). Cycloaurated triphenylphosphine-sulfide and –selenide. Dalton Transactions, 39(7), 1855-1864.
      Permanent Research Commons link: https://hdl.handle.net/10289/3640
      Abstract
      The first examples of cycloaurated phosphine sulfides and triphenylphosphine selenide have been synthesised; these complexes are fairly rare examples of gold(III) complexes with potentially reducing sulfur- and selenium-donor ligands. The cycloaurated complex (AuCl₂ (2-C₆H₄P(S)Ph₂) was synthesised in good yield by transmetallation of the organomercury precursor Hg(2-C₆H₄P(S)Ph₂)₂ with Me₄N[AuCl₄]. A route to the chloro-mercury analogue ClHg(2-C₆H₄P(S)Ph₂) was developed by reaction of the cyclomanganated triphenylphosphine sulfide (CO)₄Mn(2-C₆H₄P(S)Ph₂) with HgCl₂; this mercury substrate was also used in the synthesis of AuCl₂(2-C₆H₄P(S)Ph₂). The cycloaurated triphenylphosphine selenide complex AuCl₂(2-C₆H₄P(Se)Ph₂) was synthesised by an analogous methodology using the new phosphine selenide Hg(2-C₆H₄P(Se)Ph₂)₂ [prepared from Hg(2-C₆H₄PPh₂)₂ and elemental Se under sonication]. The phosphonamidic analogue AuCl₂(2-C₆H₄P(S)(Net₂)₂) has also been synthesised from PhP(S)(Net₂)₂via lithiation and mercuration. X-Ray crystal structures of several compounds are reported, and show the presence of puckered ring systems.
      Date
      2010
      Type
      Journal Article
      Publisher
      Royal Society of Chemistry
      Rights
      This is an author's final version of an article published in the journal: Dalton Transactions. © The Royal Society of Chemistry 2010.
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      • Science and Engineering Papers [3011]
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